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Load data for .270 Win. Ackley Improved + .277 | 100gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Power Pro 2000-MR, Alliant Reloder-15, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

.270 Win. Ackley Improved + .277 | 100gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 100gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
<<locked>>
Caliber:
.270 Win. Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B11011_C272
Last updated:
2026-01-30
Recommended Twist Rate:
1:11 - 1:10

Load data for 222 loads in caliber .270 Win. Ackley Improved with .277 | 100gr | Lehigh Defense Controlled Chaos bullet and 111 powders such as Alliant Power Pro 2000-MR, Alliant Reloder-15, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

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Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
87%
64368
89%
**87
101%
ADI AR 2206H
<<locked>>
93%
65180
90%
**84
100%
ADI AR 2208
<<locked>>
97%
62337
86%
**22
99%
ADI AR 2219
<<locked>>
84%
64687
89%
**28
100%
Accurate 2015
<<locked>>
89%
64513
89%
**56
100%
Accurate 2200
<<locked>>
91%
64426
89%
**38
99%
Accurate 2230
<<locked>>
86%
64585
89%
**19
100%
Accurate 2460
<<locked>>
86%
64397
89%
**15
100%
Accurate 2495
<<locked>>
91%
65064
90%
**32
100%
Accurate 2520
<<locked>>
90%
64136
88%
**45
100%
Accurate 2700
<<locked>>
97%
61656
85%
**20
96%
Accurate 4064
<<locked>>
97%
63947
88%
**35
100%
Accurate 4350
<<locked>>
97%
49197
68%
**68
97%
Alliant AR-Comp
<<locked>>
91%
64513
89%
**06
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
94%
64382
89%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
61946
85%
**45
100%
Alliant Reloder-10x
<<locked>>
87%
65137
90%
**86
100%
Alliant Reloder-15 👍
<<locked>>
96%
65253
90%
**14
100%
Alliant Reloder-16
<<locked>>
97%
47848
66%
**68
97%
Alliant Reloder-17
<<locked>>
97%
55854
77%
**48
100%
[Alliant Reloder-23]*
<<locked>>
97%
34026
47%
**27
94%
[Alliant Reloder-26]*
<<locked>>
97%
37666
52%
**77
92%
Baschieri & Pellagri 106
<<locked>>
85%
64861
89%
**17
100%
Baschieri & Pellagri 107
<<locked>>
92%
65035
90%
**94
100%
Bofors RP3
<<locked>>
97%
63454
87%
**71
100%
Bofors RP7
<<locked>>
97%
55390
76%
**87
95%
Hodgdon BL-C2
<<locked>>
90%
64701
89%
**84
100%
Hodgdon Benchmark
<<locked>>
90%
64629
89%
**06
100%
Hodgdon CFE223
<<locked>>
95%
64223
89%
**20
99%
Hodgdon H322
<<locked>>
89%
63991
88%
**22
100%
Hodgdon H335
<<locked>>
84%
65180
90%
**48
100%
Hodgdon H380
<<locked>>
97%
64266
89%
**68
99%
Hodgdon H414
<<locked>>
97%
58334
80%
**35
97%
Hodgdon H4198
<<locked>>
84%
64759
89%
**56
100%
[Hodgdon H4350]*
<<locked>>
97%
46238
64%
**27
92%
Hodgdon H4895
<<locked>>
92%
64556
89%
**78
100%
Hodgdon Hybrid 100V
<<locked>>
97%
44512
61%
**43
98%
Hodgdon LVR
<<locked>>
97%
53243
73%
**27
97%
Hodgdon Superperformance
<<locked>>
97%
53127
73%
**50
95%
Hodgdon VARGET
<<locked>>
97%
61859
85%
**19
99%
Hodgdon TrailBoss
<<locked>>
96%
33359
46%
**54
100%
IMR 3031
<<locked>>
95%
64469
89%
**71
100%
IMR 4064
<<locked>>
97%
60510
83%
**86
99%
IMR 4166 Enduron
<<locked>>
97%
59596
82%
**37
97%
IMR 4198
<<locked>>
87%
64527
89%
**40
100%
[IMR 4350]*
<<locked>>
97%
49226
68%
**92
93%
IMR 4451 Enduron
<<locked>>
97%
57188
79%
**27
96%
IMR 4831
<<locked>>
97%
41379
57%
**84
95%
IMR 4895
<<locked>>
95%
64788
89%
**14
100%
IMR 8208 XBR
<<locked>>
91%
64730
89%
**42
100%
Lovex D073.4
<<locked>>
85%
64817
89%
**12
100%
Lovex D073.5
<<locked>>
87%
64948
90%
**22
100%
Lovex D073.6
<<locked>>
93%
64934
90%
**51
100%
Lovex S060
<<locked>>
93%
65166
90%
**19
100%
Lovex S062
<<locked>>
96%
64295
89%
**45
100%
Lovex S065
<<locked>>
97%
53113
73%
**61
97%
Lovex S070
<<locked>>
97%
50705
70%
**28
95%
Norma 200
<<locked>>
83%
65238
90%
**56
100%
Norma 201
<<locked>>
94%
64919
90%
**42
100%
Norma 202
<<locked>>
93%
64513
89%
**32
100%
Norma 203B
<<locked>>
96%
65224
90%
**04
100%
[Norma 204]*
<<locked>>
97%
49588
68%
**22
92%
Norma URP
<<locked>>
97%
48428
67%
**58
97%
Ramshot Big Game 👍
<<locked>>
96%
65151
90%
**17
100%
Ramshot Hunter
<<locked>>
97%
47892
66%
**38
95%
Ramshot TAC
<<locked>>
91%
64730
89%
**45
99%
Ramshot Wild Boar
<<locked>>
91%
64266
89%
**74
100%
Ramshot X-Terminator
<<locked>>
88%
64107
88%
**12
100%
ReloadSwiss RS 14
<<locked>>
96%
33547
46%
**00
100%
ReloadSwiss RS 40
<<locked>>
87%
64977
90%
**35
100%
ReloadSwiss RS 50
<<locked>>
97%
65267
90%
**61
98%
ReloadSwiss RS 52 👍
<<locked>>
93%
65093
90%
**79
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
59451
82%
**24
100%
ReloadSwiss RS 62
<<locked>>
97%
48544
67%
**71
97%
ReloadSwiss RS 70
<<locked>>
97%
48631
67%
**87
96%
Rottweil R 901
<<locked>>
91%
64687
89%
**15
100%
Rottweil R 902
<<locked>>
95%
64963
90%
**35
100%
Rottweil R 903
<<locked>>
97%
58581
81%
**86
100%
Rottweil R 907
<<locked>>
97%
55390
76%
**87
95%
SNPE Vectan BA6 1/2
<<locked>>
84%
64571
89%
**38
100%
SNPE Vectan SP 10
<<locked>>
84%
65151
90%
**45
100%
SNPE Vectan SP 11
<<locked>>
97%
61119
84%
**55
100%
SNPE Vectan SP 7
<<locked>>
92%
65166
90%
**55
99%
SNPE Vectan SP 9
<<locked>>
93%
64861
89%
**68
100%
SNPE Vectan Tubal 3000
<<locked>>
92%
64353
89%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
61511
85%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
54244
75%
**15
95%
Shooters World Long Rifle
<<locked>>
97%
53113
73%
**61
97%
Shooters World Match Rifle
<<locked>>
93%
64934
90%
**51
100%
Shooters World Precision
<<locked>>
96%
64295
89%
**45
100%
Shooters World Tactical Rifle
<<locked>>
85%
64817
89%
**06
100%
Somchem S321
<<locked>>
88%
64963
90%
**55
100%
Somchem S335
<<locked>>
93%
64716
89%
**50
100%
Somchem S341
<<locked>>
91%
64353
89%
**35
100%
Somchem S355
<<locked>>
97%
58856
81%
**83
100%
Somchem S365
<<locked>>
97%
43584
60%
**89
99%
Vihtavuori N120
<<locked>>
84%
64295
89%
**48
100%
Vihtavuori N130
<<locked>>
90%
65209
90%
**30
100%
Vihtavuori N133
<<locked>>
95%
65238
90%
**46
100%
Vihtavuori N135
<<locked>>
97%
56376
78%
**78
100%
Vihtavuori N140
<<locked>>
95%
64397
89%
**96
100%
Vihtavuori N150
<<locked>>
97%
49879
69%
**96
100%
Vihtavuori N160
<<locked>>
97%
53621
74%
**04
98%
Vihtavuori N530
<<locked>>
89%
64803
89%
**55
100%
Vihtavuori N540
<<locked>>
95%
64934
90%
**38
100%
Vihtavuori N550
<<locked>>
97%
53664
74%
**46
98%
[Vihtavuori N555]*
<<locked>>
97%
36506
50%
**25
94%
Winchester 6.5 StaBALL
<<locked>>
97%
51764
71%
**35
99%
Winchester 748
<<locked>>
88%
64643
89%
**88
100%
Winchester 760
<<locked>>
97%
58334
80%
**35
97%
Winchester StaBALL Match
<<locked>>
86%
64498
89%
**68
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
58363
80%
**89
100%
ADI AR 2206H
<<locked>>
81%
44599
61%
**23
97%
ADI AR 2208
<<locked>>
81%
37927
52%
**36
95%
ADI AR 2219
<<locked>>
81%
58407
81%
**43
100%
Accurate 2015
<<locked>>
81%
50096
69%
**50
100%
Accurate 2200
<<locked>>
81%
46702
64%
**23
96%
Accurate 2230
<<locked>>
81%
53388
74%
**45
99%
Accurate 2460
<<locked>>
81%
53577
74%
**48
100%
Accurate 2495
<<locked>>
81%
45556
63%
**30
100%
Accurate 2520
<<locked>>
81%
46543
64%
**50
100%
[Accurate 2700]*
<<locked>>
84%
40944
56%
**27
90%
Accurate 4064
<<locked>>
81%
38363
53%
**86
99%
[Accurate 4350]*
<<locked>>
84%
30603
42%
**08
90%
Alliant AR-Comp
<<locked>>
81%
46644
64%
**43
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
40654
56%
**27
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
37304
51%
**63
96%
Alliant Reloder-10x
<<locked>>
81%
54273
75%
**25
100%
Alliant Reloder-15
<<locked>>
81%
40147
55%
**35
96%
[Alliant Reloder-16]*
<<locked>>
84%
32111
44%
**51
90%
[Alliant Reloder-17]*
<<locked>>
81%
32474
45%
**87
93%
[Alliant Reloder-23]*
<<locked>>
91%
28819
40%
**53
90%
[Alliant Reloder-26]*
<<locked>>
94%
34606
48%
**76
90%
Baschieri & Pellagri 106
<<locked>>
81%
56289
78%
**96
100%
Baschieri & Pellagri 107
<<locked>>
81%
43801
60%
**14
96%
Bofors RP3
<<locked>>
81%
37057
51%
**56
96%
[Bofors RP7]*
<<locked>>
87%
40393
56%
**76
90%
Hodgdon BL-C2
<<locked>>
81%
46543
64%
**76
99%
Hodgdon Benchmark
<<locked>>
81%
48457
67%
**30
99%
[Hodgdon CFE223]*
<<locked>>
81%
38812
54%
**22
94%
Hodgdon H322
<<locked>>
81%
49559
68%
**92
100%
Hodgdon H335
<<locked>>
81%
58276
80%
**40
100%
[Hodgdon H380]*
<<locked>>
81%
37956
52%
**59
93%
[Hodgdon H414]*
<<locked>>
85%
38667
53%
**12
90%
Hodgdon H4198
<<locked>>
81%
58595
81%
**64
100%
[Hodgdon H4350]*
<<locked>>
92%
40451
56%
**99
90%
Hodgdon H4895
<<locked>>
81%
44962
62%
**30
98%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
27369
38%
**74
90%
[Hodgdon LVR]*
<<locked>>
83%
33054
46%
**61
90%
[Hodgdon Superperformance]*
<<locked>>
90%
41162
57%
**84
90%
[Hodgdon VARGET]*
<<locked>>
81%
37681
52%
**33
94%
Hodgdon TrailBoss
<<locked>>
81%
26484
37%
**86
100%
IMR 3031
<<locked>>
81%
40785
56%
**71
100%
IMR 4064
<<locked>>
81%
37057
51%
**13
95%
[IMR 4166 Enduron]*
<<locked>>
82%
38392
53%
**04
90%
IMR 4198
<<locked>>
81%
54578
75%
**92
100%
[IMR 4350]*
<<locked>>
91%
40364
56%
**92
90%
[IMR 4451 Enduron]*
<<locked>>
85%
39305
54%
**53
90%
[IMR 4831]*
<<locked>>
88%
30705
42%
**89
90%
IMR 4895
<<locked>>
81%
41046
57%
**64
96%
IMR 8208 XBR
<<locked>>
81%
46688
64%
**36
99%
Lovex D073.4
<<locked>>
81%
55463
76%
**74
100%
Lovex D073.5
<<locked>>
81%
53069
73%
**41
100%
Lovex D073.6
<<locked>>
81%
43758
60%
**94
99%
Lovex S060
<<locked>>
81%
44875
62%
**54
98%
Lovex S062
<<locked>>
81%
39769
55%
**95
98%
[Lovex S065]*
<<locked>>
83%
34606
48%
**31
90%
[Lovex S070]*
<<locked>>
87%
37695
52%
**27
90%
Norma 200
<<locked>>
81%
61119
84%
**01
100%
Norma 201
<<locked>>
81%
43540
60%
**64
98%
Norma 202
<<locked>>
81%
43787
60%
**81
100%
Norma 203B
<<locked>>
81%
39537
55%
**22
96%
[Norma 204]*
<<locked>>
94%
45687
63%
**36
90%
[Norma URP]*
<<locked>>
84%
31531
43%
**22
90%
Ramshot Big Game
<<locked>>
81%
39204
54%
**25
96%
[Ramshot Hunter]*
<<locked>>
88%
36042
50%
**49
90%
Ramshot TAC
<<locked>>
81%
46891
65%
**27
95%
Ramshot Wild Boar
<<locked>>
81%
46296
64%
**50
98%
Ramshot X-Terminator
<<locked>>
81%
50531
70%
**92
98%
ReloadSwiss RS 14
<<locked>>
81%
26789
37%
**29
100%
ReloadSwiss RS 40
<<locked>>
81%
52402
72%
**38
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
38537
53%
**36
91%
ReloadSwiss RS 52
<<locked>>
81%
41800
58%
**33
96%
ReloadSwiss RS 60
<<locked>>
81%
34563
48%
**69
97%
[ReloadSwiss RS 62]*
<<locked>>
85%
32097
44%
**58
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
35491
49%
**46
90%
Rottweil R 901
<<locked>>
81%
47572
66%
**30
100%
Rottweil R 902
<<locked>>
81%
41568
57%
**15
98%
Rottweil R 903
<<locked>>
81%
34708
48%
**84
95%
[Rottweil R 907]*
<<locked>>
87%
40393
56%
**76
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
59495
82%
**82
100%
SNPE Vectan SP 10
<<locked>>
81%
59103
82%
**63
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
35737
49%
**33
94%
SNPE Vectan SP 7
<<locked>>
81%
45092
62%
**00
96%
SNPE Vectan SP 9
<<locked>>
81%
42989
59%
**74
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
45179
62%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37362
52%
**71
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
38145
53%
**87
90%
[Shooters World Long Rifle]*
<<locked>>
83%
34606
48%
**31
90%
Shooters World Match Rifle
<<locked>>
81%
43758
60%
**94
99%
Shooters World Precision
<<locked>>
81%
39769
55%
**95
98%
Shooters World Tactical Rifle
<<locked>>
81%
55985
77%
**74
100%
Somchem S321
<<locked>>
81%
50807
70%
**35
100%
Somchem S335
<<locked>>
81%
44483
61%
**25
100%
Somchem S341
<<locked>>
81%
44701
62%
**97
97%
Somchem S355
<<locked>>
81%
35476
49%
**04
95%
[Somchem S365]*
<<locked>>
81%
25599
35%
**54
90%
Vihtavuori N120
<<locked>>
81%
58378
80%
**73
100%
Vihtavuori N130
<<locked>>
81%
50198
69%
**14
100%
Vihtavuori N133
<<locked>>
81%
42293
58%
**79
100%
Vihtavuori N135
<<locked>>
81%
34548
48%
**54
100%
Vihtavuori N140
<<locked>>
81%
40973
57%
**95
100%
[Vihtavuori N150]*
<<locked>>
81%
30139
42%
**23
94%
[Vihtavuori N160]*
<<locked>>
81%
31502
43%
**92
90%
Vihtavuori N530
<<locked>>
81%
49400
68%
**99
99%
Vihtavuori N540
<<locked>>
81%
40886
56%
**12
99%
[Vihtavuori N550]*
<<locked>>
81%
31662
44%
**22
90%
[Vihtavuori N555]*
<<locked>>
90%
29646
41%
**18
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
30255
42%
**23
92%
Winchester 748
<<locked>>
81%
50082
69%
**55
100%
[Winchester 760]*
<<locked>>
85%
38667
53%
**12
90%
Winchester StaBALL Match
<<locked>>
81%
53824
74%
**97
99%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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